lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20241124-work-cred-v1-9-f352241c3970@kernel.org>
Date: Sun, 24 Nov 2024 14:43:55 +0100
From: Christian Brauner <brauner@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Christian Brauner <brauner@...nel.org>,
	Amir Goldstein <amir73il@...il.com>,
	Miklos Szeredi <miklos@...redi.hu>,
	linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org
Subject: [PATCH 09/26] target_core_configfs: avoid pointless cred reference count bump

The creds are allocated via prepare_kernel_cred() which has already
taken a reference.

Signed-off-by: Christian Brauner <brauner@...nel.org>
---
 drivers/target/target_core_configfs.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index ec7a5598719397da5cadfed12a05ca8eb81e46a9..d102ab79c56dd7977465f7455749e6e7a2c9fba1 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -3756,10 +3756,9 @@ static int __init target_core_init_configfs(void)
 		ret = -ENOMEM;
 		goto out;
 	}
-	old_cred = override_creds(get_new_cred(kern_cred));
+	old_cred = override_creds(kern_cred);
 	target_init_dbroot();
 	put_cred(revert_creds(old_cred));
-	put_cred(kern_cred);
 
 	return 0;
 

-- 
2.45.2


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ